*{
    padding: 0;
    margin: 0;
}
.box{
    width: 1100px;
    margin: 0 auto;
}
.box1{
    width: 100%;
    height: 90px;
    border: 1px solid rgb(245, 245, 245);
}
.box2{
    float: left;
    width: 160px;
    height: 90px;
    text-align: center;
    line-height: 70px;
    font-size: 30px;
    font-family: "仿宋";
}
.box3{
    float: right;
    width: 160px;
    height: 90px;
    text-align: center;
    line-height: 90px;
}
.box3 a{
    color: rgb(104, 103, 102);
    margin: 0 10px;
    text-decoration: none;
    list-style-type: none;
}
.nav{
    width: 100%;
    height: 100px;
}
.nav ul li{
    float: left;
    width:100px;
    height: 50px;
    margin: 15px 8px;
    text-align: center;
    border-radius: 6px;
    list-style-type: none;
}
.nav ul li a{
    line-height: 50px;
    color: rgb(14, 13, 13);
    text-decoration: none;
}

.nav-r{
    float:right;
    width: 280px;
    line-height: 90px;
}

.nav-r input:first-of-type{
    height: 25px;
    width: 200px;
    line-height: 50px;
    border-radius: 5px;
}
.nav-r input:nth-child(2){
    height: 25px;
    width: 50px;
    line-height: 25px;
}

.content{
    width: 1100px;
}
.content-l{
    float: left;
    width: 750px;
}
.content-l div:nth-child(1){
    width: 100%;
    height: 50px;
    line-height:50px;
    padding: 0 10px;
}
.content-l div:nth-child(2){
    width: 95%;
    height: 250px;
    margin: 0 auto;
    border: 1px solid rgb(245, 245, 245);
}
 .c1 ul li{
    float: left;
    width: 150px;
    height: 250px;
 }
.c1 ul li div:nth-child(1){
    width: 150px;
    height: 180px;
    padding: 0;
}
.c1 ul li div:nth-child(2){
    width: 150px;
    height: 50px;
}
.content-r{
    float: right;
    width: 320px;
    height: 400px;
}
.content-r div:nth-child(1){
    width: 100%;
    height: 50px;
    line-height:50px;
}
.each div{
    width: 100%;
    height: 50px;
    line-height:50px;
    overflow: hidden;
}